UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'g6Q/xSUUFKnq2ChUnOxdG2dxmiLabsGjIjAvH2ACV/4=' 
WHERE 
  key_id = '3195af88500a0c9334bd431e8e6156a3a892e7f240b42e729a706519be6d0ae6' 
  AND (
    token = 'g6Q/xSUUFKnq2ChUnOxdG2dxmiLabsGjIjAvH2ACV/4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )